This picture shows Jupiter's red spot as well as the shadow of Europa. Ganymede and Io are to the upper right.

TV85 with 3x barlow, f/21, 1800mm
ImagingSource DBK 21AU04.AS color camera, 30 frames/second
Stack of approximately 2400 frames out of 2900
Processed with Registax v5, CS4, ImagesPlus v3.80